Trail Running Calendar United Kingdom 2026-2027

Welcome to the most comprehensive guide to trail races in the UK for 2026-2027! Our curated list features an impressive 2110 trail runs across the enchanting landscapes of Scotland, and Wales. From the iconic trails of London's green outskirts to the rugged terrains near Birmingham, from Glasgow's scenic paths to Liverpool's historic routes, we've got every trail enthusiast covered.

Whether you're a seasoned trail runner looking for your next challenge or a newbie eager to explore the world of off-road running, our calendar is your one-stop solution. Dive deep into the details by searching for a specific location or simply browse through to discover new trail runs. Looking for all running events? Check out the complete Running Calendar United Kingdom on running.life.

A guided 30 mile trail run from Haslemere that follows sections of the Serpent Trail and Sussex Border Path, aimed at runners attempting an ultra for the first time. Group pace, varied terrain, cost £55.

Join the Christmas Advent Run on Sunday 29 November in Walton on Thames for a festive riverside run. Tackle timed laps to suit you and enjoy optional medal and chocolate advent calendar plus a prize draw.

Dalby Forest Wild Winter Trail Runs on 29 November 2026 features a Marathon, Half Marathon and 10km through Dalby Forest on the edge of the North York Moors. Chip timing is provided and finishers receive a medal and refreshments.

A short Peak District fell race in Birch Vale on 29 November 2026, covering 8.4 km with 335 m of climb. Entry is on the day with registration at the Sycamore Inn and a 125 runner limit.

A trail 10 km loop through Marton Mere and past Blackpool Zoo on 29 November 2026, finishing in the grounds of the Village Hotel. All finishers receive a bespoke medal and refreshments are provided.

The final race of the 2026 RTT Series takes place in Afan Forest with separate 5 km and 10 km routes from Bryn Bettws Lodge. The event features chip timing, finisher medals, marked and marshalled routes and water stations.

A community charity run in Campbell Park, Milton Keynes offering 1.5k, 5k, 10k and half marathon options with chip timing, medals, refreshments and a fancy dress element to support Movember and men's health.

A single-entry 5 km race at Rouken Glen on 29 November 2026, part of the South By Five six-park series. Entry is free but places are limited and a mandatory donation to the Acorn Trails Community Fund applies.

A November 2026 relay in Rossendale where teams of four each run an individually flagged 10.7k loop at Lee Mill Quarry; mandatory kit is required and a course map is provided on registration.

Trail races at Mapledurham Estate offering 10K, 10 Mile and Half Marathon routes over muddy paths and woodland, with on-course water, finish refreshments and race amenities included.

A trail running event on 29 November 2026 at Charborough Estate through dense Bere Wood, with 10 km, 21 km and a two person relay across technical, marked trails. Facilities include one aid station, toilets and medical support.

A fell time trial from Little Stretton to the Stiperstones that requires navigational skills and benefits from local knowledge. Entry is on the day with fees of £8 for adults and £2 for juniors under 17.

A club organised race at Blaenwern Holiday Centre in Llanybydder on 29 November 2026 covering 6.5 miles on mixed surfaces; junior and senior categories are included and past results are archived online.

A lap based road event at Rhydycar, Merthyr Tydfil, on a 5.3 km AUKCM certified tarmac circuit along the Taff Trail. Runners choose how many laps to complete within a seven hour limit and can opt for a no medal entry.

A 23 mile clockwise tour around Worcester and Droitwich starting at Gheluvelt Park, mostly on traffic-free paths. Solo and two-person relay options are available, with three on-route control points and a six-hour completion limit.

December 2026

Trail 5K and 10K races held at Tewinbury near Welwyn on undulating dirt, grass and woodland trails, fully marked and marshalled, with GPX and a midcourse aid station for the 10K.

A 21.1 km trail race around Hughenden Manor and surrounding woodlands, mostly forest paths with undulating terrain and three aid stations. The course is fully marked and trail running shoes are recommended.

A 10 km trail race around the National Trust's Hughenden Manor near High Wycombe, featuring woodland trails, about 195 m of ascent, full course marking and a water station at 5.3 km. Onsite facilities include parking, toilets and a cafe.

Timed Thames towpath run where participants choose lap distances on a 5.3 km out and back course and entry supports Rays of Sunshine Children's Charity.

Night trail of 6.4 km with 229 m climb around Llandegla Forest, held under BS partially marked conditions with a compulsory safety briefing and kit including a headtorch with two hours light. Entry £5 on the day.

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